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Old 12-22-2003, 09:05 PM   #1
red71cheyenne
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Selling my TPI setup

I'm tired of my TPI being wasted on a truck that I drive 9 miles to work at 35 MPH. So, that being said, its a system from an 89 Firebird. Upgraded to '92 Speed density, brand new ECM, 24 lb/hr injectors, all sensors, external fuel pump, custom harness, vss, no vats or egr. Uses factory fuel regulator and cold start injector is disabled. Stock throttle body and K&N filter. All parts and miscellaneous extras will be included. Will post pics shortly. System currently installed on the red 71, but will remove if anyone is serious about buying. Shipping is up to the buyer and would be willing to deliver given we are inport and you are close. Over $1600 invested but will take $1200. System has been on truck for 2 years and has just over 5000 miles on it. On the highway when I transferred to here it got 14 mpg but that was before I added the vss. Your mileage may be better or worse. I run 3.73 gears behind a 700R4. Thanks, Jeff.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
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Old 12-22-2003, 09:13 PM   #2
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Pic 1

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Old 12-22-2003, 09:14 PM   #3
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Pic 2

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Old 12-23-2003, 12:25 AM   #4
Smokin72on20s
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what do you mean by custom harness? if i transferred this to my truck, would i need to get the wiring harness redone, or is that what you mean by custom? also, did your motor preform better with the TPI or without?
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Old 12-23-2003, 12:40 AM   #5
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I think that I know someone who may be interested. He has been looking at the Edelbrock system. I will talk to him and let you know.
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Old 12-23-2003, 12:54 AM   #6
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Thanks Breeh. Smokin, the harness is custom in that it is specifically set up for the specifications I described. I can take the whole thing out of my truck and put it in your truck as is right now. If you wanted to add or delete anything from the system(ie.vss for example) you would have to modify the harness. As it stands that is not necessary. If you don't need vss, then don't hook it up. It is a totally self contained system. The harness was just made to fit my specifications, thats all. No egr, no vats. My ecm does not run my tranny, but it does recognize the electric fans and if the a/c is on or off and adjusts the idle as necessary. And so on and so forth. No modification of the set up as it is now is necessary. I forgot to mention that my intake is already modified to bolt directly to any pre-1985 block as well. Jeff. Sorry, forgot to metion the performance. It is great off the line, power is great, starts fantastic and I never have to worry about timing being off. Other than the waste of time and money given my application, I love it. Jeff.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
1969 K5 Blazer w/Tuned Port
2010 2SS/RS Flaming Orange Camaro
2011 K1500 Suburban
2014 K1500 Pickup
2008 Nissan Altima? The wifes' hoopty
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Old 12-23-2003, 07:50 PM   #7
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it sounds pretty nice, but i have seen completly polished TPI setups for $1000.
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Old 12-23-2003, 08:49 PM   #8
red71cheyenne
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I said the same thing until I started buying all the parts to put one together. A set of injectors is almost $300. If you can get a setup for $1000 installed in your vehicle, go for it.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
1969 K5 Blazer w/Tuned Port
2010 2SS/RS Flaming Orange Camaro
2011 K1500 Suburban
2014 K1500 Pickup
2008 Nissan Altima? The wifes' hoopty
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Old 12-23-2003, 09:04 PM   #9
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Yeah, $1000 doesn't get the harness,ECU w/chip, distributor, and the TPI. It just gets the TPI. I am also putting together a TPI and I wish I would have seen this post about 6 months ago before I started getting parts together. It's not a bad deal for what you have.

Good luck.
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Old 12-24-2003, 01:23 AM   #10
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Ya, they don't put out all the parts that are not included with the system when you buy the intake, runners and plenum. I about lost my mind getting all the sensors together and then once I had it all together had to buy new injectors. Plus of course plumbing the fuel pump and return lines. The cheapest setup that was totally complete from the start was $1995. Jman let me know what parts you still lack and I'll see what I have left over. Jeff.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
1969 K5 Blazer w/Tuned Port
2010 2SS/RS Flaming Orange Camaro
2011 K1500 Suburban
2014 K1500 Pickup
2008 Nissan Altima? The wifes' hoopty
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Old 12-24-2003, 03:16 AM   #11
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actually that polished setup was complete, computer and all. it was just on ebay, it was from street and performance, with 6500 miles on it. red71cheyenne, i am still interested in yours, i need to find a motor first to put the TPI on. i will keep in touch with you.
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1972 CHEVY C-10 SWB 2WD - Possible Typhoon 4.3 turbo drivetrain..
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Old 12-24-2003, 10:47 AM   #12
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I have a good set of runners, and a good throttle body. I am looking for a Speed Density plenum, and a pre-86 intake. I have a 86-up intake I would trade if anyone wants one. I was going to get the Vortec lower intake, but have since decided to not go with vortec heads. I have a 730 ECU and am getting a custom harness. Also looking for a distributor. Plus of course, all the sensors. I will probably buy most sensors new, but if I can find some known good ones, I'll take those too. New ones are $$$. Let me know if you have any parts for me that Re leftovers from when you were putting your together. Maybe we can work something out.

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Old 12-24-2003, 12:50 PM   #13
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Jman, I'll dig thru my parts this weekend and see what I have leftover. I think I might have a used IAT and Temp sensor. Also miscellaneous bolts. I'll let you know for sure what all I have. My intake is also post 86, but it has been modified to fit pre-85. I don't know what the difference is on the speed density plenum, but my software is speed density. Probably the maf sensor, huh.

Smokin, I'll have it til someone decides they want it. What else does your ebay setup come with? Are the fuel pump, injectors, harness, knock sensor, map sensor, air temp sensor, coolant bypass, fuel pump relay and all included? If they are, thats a hell of a deal.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
1969 K5 Blazer w/Tuned Port
2010 2SS/RS Flaming Orange Camaro
2011 K1500 Suburban
2014 K1500 Pickup
2008 Nissan Altima? The wifes' hoopty
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Old 12-24-2003, 12:55 PM   #14
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I think to modify the intake all you have to do is elongate the 2 middle holes on both sides. I don't know for sure. About the plenum, I think it has to do with the mounting of the sensor for the speed density system. There is a sensor that mounts underneath it on a stock SD system, and there is no provision for it on a MAF plenum. Did you have that problem, or was it different for you?
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Old 12-24-2003, 02:16 PM   #15
red71cheyenne
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No, to upgrade to speed density was just changing to the MAP sensor and the software. The only sensor on the bottom of my plenum is the inlet air temp. I didn't even have a maf sensor with my setup when I got it. I just went straight to sd.
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Old 12-24-2003, 06:25 PM   #16
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yea, heres the link to another one:

http://cgi.ebay.com/ebaymotors/ws/eB...&category=6763
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Old 12-25-2003, 02:37 PM   #17
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since i don`t know much about FI let me ask a dumb question, what`s the difference in performance and fuel mileage between the TPI and say a LT1? Ccan the TPI be hotrodded to make good power like the LT1? thanks

Anthony
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Old 12-26-2003, 12:31 PM   #18
red71cheyenne
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Honestly, I think the only difference between the setups is the fact that the LT1 was an entire setup. Matched camshaft, rockers and the injection system. You can do a lot of upgrades to the TPI to increase performance, but just as a basic setup it makes a lot of difference. Or it did for my truck. The throttle response is great and I think that the actual fuel economy will depend on how you drive and the condition of the engine you put it on.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
1969 K5 Blazer w/Tuned Port
2010 2SS/RS Flaming Orange Camaro
2011 K1500 Suburban
2014 K1500 Pickup
2008 Nissan Altima? The wifes' hoopty
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Old 12-27-2003, 01:15 AM   #19
red71cheyenne
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ttt
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Old 12-27-2003, 01:36 AM   #20
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The one smokin linked to was a MAF setup, not the speed density. MAF is the less sought after because the sensor can be flakey on a retrofit, and they are kinda pricey to replace. Also, you have to have the ugly ducting for the MAF. If you have the SD then there is a much cleaner and easier install. Just something I learned from doing many searches about which TPI setup to get. The MAF systems go sheaper than the SD systems. They can be changed over as 71cheyenne did, but it's gonna require different parts than what is standard to the MAF system.
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Old 12-27-2003, 01:53 AM   #21
red71cheyenne
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Right. I just left it alone. If someone wants it, I'll sell it. If they don't, its not hurting me where its at. Figure if someone wants it more than I do, they'll buy it though. I'll dig thru my parts for you tomorrow Jman. Don't remember exactly what I have, but might be something in there you can use. Its just taking up space in my already overburdened garage. Jeff.
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Old 12-27-2003, 03:19 AM   #22
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Hat guys I just looked at two plenums one from a 86 and one from a 92 they are both the same. The base you need is from a 86 back they made the change in 87 or you can use one from any tpi vet they never changed the heads in the vet so the base still uses the old bolt pattern. To go from mas air to SD you need to make an adaptor for the ECM and then the MAS air sensor wiring becomes the map sensor wiring its not bad the big problem with mas air is the sensore is $250 if it goes bad but it is more for giving in a engine with a big cam then a SD sytem is so if your planning on doing a cam change I would do it before the tpi if your going to use SD and and if its a big cam I would waight before I did ether so you only have to have a chip bernt one time. For all you guys that dont think this is a good deal a tpi system with every thing from a car should not set you back more then 500 for every thing the last one I bought even had the distributer with it. But if you do not want to do the wiring convertion your self the cheapest you can get it done is around 250 then figurei n shipping replacing relays and sensors at the least your looking at almost 1000 to do it that is if thier is no problems and every thing you bought works and if you have a built up engine its going to get expenssive quick 300 for a custume chip 150- 300 for injectors 100 for TB convertion to 52mm runners 250 base 300 adj fuel reg 50 it doesnt take long. I have well over 4000 in my tpi but the only thing stock is the fuel rails and the plenum. The big diffrence with the lt1 and the tpi is one is a long runner and one a short a short runner like the lt1 has an rpm range in the hygher numbers ware the long runner TPI has all its torque at the bottom. Any way hope that this may help out some. If I would have bought a system like this when I firts got in to TPI I probably would have saved a lot of cash but when you start from scrach it doesnt take long to go crazzy with it.
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Old 12-28-2003, 11:09 PM   #23
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Ya, when I first started getting parts together, I figured $500 would do it. Then came new injectors, new ecm, new sensors and the whole shooting match. After I had $1600 wrapped up in it, I hoped I would be done. But then I put the VSS in it and that was another $75. So, thats why I'm asking what I am. Its already upgraded to speed density and its nearly new. Jeff.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
1969 K5 Blazer w/Tuned Port
2010 2SS/RS Flaming Orange Camaro
2011 K1500 Suburban
2014 K1500 Pickup
2008 Nissan Altima? The wifes' hoopty
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